Biology (EOC) -STAAR UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Anaerobic - CORRECT ANSWER - process that does not need oxygen or it can happen
without oxygen
Amino Acid - CORRECT ANSWER - building block of protein, nitrogen compound
Archaebacterium - CORRECT ANSWER - unicellular microorganism which often lives in
extreme conditions, considered ancient life forms that evolved separately from bacteria and blue-
green algae
Bases - CORRECT ANSWER - Compoundes that reduce the concentration of hydrogen
ions in a solution
Chromatids - CORRECT ANSWER - two identical chromosomes that split and contain the
same genetic material
Chromosomes - CORRECT ANSWER - a structure in the cell that carries genetic material
as a threadlike strand of DNA molecules that contain the genes
Commensalism - CORRECT ANSWER - a relationship between two organisms of
different species where one benefits from the relationship and the other is neither hurt nor
harmed
Complex Carbohydrate - CORRECT ANSWER - the combination of carbohydrates and
fibre, starch or sugars consisting of three or more simple-sugar molecules bonded together in
varying patterns
, Compounds - CORRECT ANSWER - a substance that has two or more elements that are
chemically bonded together
Contractile vacuole - CORRECT ANSWER - the cell structure that collects extra water
from the cytoplasm and then expels it from the cell
Copepods - CORRECT ANSWER - any of a group of small crustaceans that are important
members of marine and freshwater plankton communities
Cyanobacterium - CORRECT ANSWER - photosynthetis bacterium that contains
chlrophyll and releases oxygen
Diffuses - CORRECT ANSWER - spreads out or scatter
DNA - CORRECT ANSWER - a double-stranded nucleic acid that has the genetic
information for cell growth, division, and function, the genetic material that carries information
about an organism and is passed from parent to offspring
Endocrine - CORRECT ANSWER - the bodily system responsible for the production and
secretion of hormones directly into the bloodstream
Energy - CORRECT ANSWER - the ability to do work, or produce change
Eubacteria - CORRECT ANSWER - a classification kingdom containing mostly free-
living bacteria found in many varied environments which includes all bacteria except for
archaebacteria
Eukaryotes - CORRECT ANSWER - organisms made up of one or more cells that have a
nucleus and membrane-bound organelles
ACTUAL Exam Questions and CORRECT
Answers
Anaerobic - CORRECT ANSWER - process that does not need oxygen or it can happen
without oxygen
Amino Acid - CORRECT ANSWER - building block of protein, nitrogen compound
Archaebacterium - CORRECT ANSWER - unicellular microorganism which often lives in
extreme conditions, considered ancient life forms that evolved separately from bacteria and blue-
green algae
Bases - CORRECT ANSWER - Compoundes that reduce the concentration of hydrogen
ions in a solution
Chromatids - CORRECT ANSWER - two identical chromosomes that split and contain the
same genetic material
Chromosomes - CORRECT ANSWER - a structure in the cell that carries genetic material
as a threadlike strand of DNA molecules that contain the genes
Commensalism - CORRECT ANSWER - a relationship between two organisms of
different species where one benefits from the relationship and the other is neither hurt nor
harmed
Complex Carbohydrate - CORRECT ANSWER - the combination of carbohydrates and
fibre, starch or sugars consisting of three or more simple-sugar molecules bonded together in
varying patterns
, Compounds - CORRECT ANSWER - a substance that has two or more elements that are
chemically bonded together
Contractile vacuole - CORRECT ANSWER - the cell structure that collects extra water
from the cytoplasm and then expels it from the cell
Copepods - CORRECT ANSWER - any of a group of small crustaceans that are important
members of marine and freshwater plankton communities
Cyanobacterium - CORRECT ANSWER - photosynthetis bacterium that contains
chlrophyll and releases oxygen
Diffuses - CORRECT ANSWER - spreads out or scatter
DNA - CORRECT ANSWER - a double-stranded nucleic acid that has the genetic
information for cell growth, division, and function, the genetic material that carries information
about an organism and is passed from parent to offspring
Endocrine - CORRECT ANSWER - the bodily system responsible for the production and
secretion of hormones directly into the bloodstream
Energy - CORRECT ANSWER - the ability to do work, or produce change
Eubacteria - CORRECT ANSWER - a classification kingdom containing mostly free-
living bacteria found in many varied environments which includes all bacteria except for
archaebacteria
Eukaryotes - CORRECT ANSWER - organisms made up of one or more cells that have a
nucleus and membrane-bound organelles
